moc: Improve formatting of output

If we are going to append an else clause, keep it on the same line as
the closing brace.

Change-Id: Idfa0eec49240086dc24268aebbf610d64a2f53d0
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

src/tools/moc/generator.cpp

@@ -1236,7 +1236,7 @@ void Generator::generateStaticMetacall()
                 fprintf(out, "            *reinterpret_cast<int*>(_a[0]) = qRegisterMetaType< %s >(); break;\n", lastKey.constData());
         }
         fprintf(out, "        }\n");
-        fprintf(out, "    }\n");
+        fprintf(out, "    } ");
         isUsed_a = true;
         needElse = true;
     }